const yoshi = { skulk: true }
const hattori = { sneak: true }
const kuma = { creep: true }
console.log('skulk' in yoshi)
console.log('sneak' in hattori)
console.log('creep' in kuma)
Object.setPrototypeOf(yoshi, hattori)
console.log('sneak' in yoshi)
console.log('creep' in hattori)
Object.setPrototypeOf(hattori, kuma)
console.log('creep' in hattori)
console.log('creep' in yoshi)





